Boiler-furnace.



No. 747,207. PATENTED DEC. 15, 1903.

0. N. MORIN. BOILER FURNACE. APPLICATION FILED 3011.10. 1902.

NO MODEL, 2 SHEETS-SHEET 1.

PATENTED DEC. 15, 1903.

' 0. N. MORIN. "BOILER FURNACE. APPLIGATION IlLfiD NQV.

2 SHEETS-SHEET 2.

N0 MODEL.

ll'ivirnio Smarts Patented TDecember 15, 1903.

Arnwr Clarion.

OLIVER N. MORIN, OF HOLYOKE, MASSACHUSETTS, ASSIGNOR OF TWO- THIRDS TOTHOMAS F. KILBRIDE AND ARTHUR B. THORPE, OF HOLYCKE,

MASSACHUSETTS.

BOlLER- -FURNACE.

SPECIFICATION forming part of Letters Patent No. 747,207, dated December15, 1903.

Application filed November 10,1902. Serial No. 130,691. (No model.)

To (ti/Z whom it may concern:

Be it known that LOLIVER N.MOB.IN, a citizen of the United States ofAmerica, and a resident of Holyoke, in the county of Hampden and Stateof Massachusetts, have invented certain new and useful Improvements inBoiler-Furnaces, of which the following is a full, clear, and exactdescription.

This invention relates to improvements in i0 boiler-furnaces, and hasfor its object the provision of means whereby the Walls of thefurnace-chamber will not become obstructed by accumulations resultingfrom the intense heat which causes clinkers to adhere to the side wallsof the fire-chamber. In order to prevent the formation of clihkers onthe side walls of the fire-chamber, I provide pipes through which watermay circulate, these pipes being located and embedded within the I wallof the fire-chamber and connected with the boiler. I furthermore providesuitable regulating-cocks in conjunction with the circulation-pipes, allsubstantially as will hereinafter fully appear, and be set forth in theclaims.

In the accompanying drawings a manner of carrying out this invention isillustrated.

Figure 1 is a front elevation of the furnace for the boiler, partiallyin section for more 0 clearly showing the novel parts and thearrangement thereof. Fig. 2 is a longitudinal sectional view through theapparatus. Fig. 3 represents a front view of the boiler and illustratesa hot-water system operated directly from the circulation-pipes abovereferred to.

In the drawings,10 represents the fire-chamber of the furnace for theboiler 12, 13 indicating the bridge-Wall. I build in any suitable manneralong or within the side walls 14 of the furnace feed-pipes 15 15,having at their front ends couplings 16 16, with which are connectedupright pipe extensions 17 17, these extensions 17 being united by thecoup- 5 lings 18 with the horizontal pipe 19, which has by the branch 20a connection with the lower portion of the boiler to receive from thelatter a supply of water for circulation through the system of piping ofwhich the pipes pointed out are a part. The said pipes 15 15, extendingalong Within the thickness of the side Walls of the furnace, have attheir rear ends, which are located within the body of the bridge-wall13, connections 15 with the pipes 22, which traverse along the front ofthe bridge-wall one above the other and have connections with the upperand lower longitudinal pipes 23 23, which are built into or embedded inthe side walls of the furnacechamber. At their forward ends these pairsof pipes are respectively connected with the vertical pipes 24, whichare joined by a crosspipe 25, from which the branch 26 enters the boilerat an upper portion thereof.

It will be understood that the water from the boiler passing from thelower portion thereof into the feed-pipes 15 15 Will thereafter beforced or pass through the pipe-sections 22 22 and 23 23 at the forwardface of the bridge-wall and in the side Walls of the fire-chamber,resulting in keeping the furnace-walls at a materially lower temperaturethan would be the case in the absence of these pipes, and the water thusenters the boiler at an upper portion thereof in a highly-heatedcondition.

Cocks 27 are provided between the supplypipes 15 of the boiler and thefeed-pipe 20, these being advantageously comprised in the couplings at18, and cocks or valves 28 pro vided inthe return-pipes 24. Furthermore,blow-off cocks 30 and 32 are provided at the bottom of the pipes 17 and24, below the connections therewith of the longitudinal pipes 23 and atthe junction of the feed-pipes 15 with the branches 17,Which connectthem With the boiler, respectively.

Originally the blow-0E cocks are shut and the cooks or valves 27 and 28leftopen; but by leaving open the valves 27, shutting the valves 28, andopening the blow-off cocks 30 the circulation-pipes may be cleared byblowing Water therethrough from. the boiler, and out through the saidblow-off cocks 30, or by closing the valves 27, opening the valves 28,and opening the blow-off cocks 32- the system may be cleared by blowingsteam therethrough, which will escape at the said blow-ofi cocks 32.

From the above description it will be un- Ico derstood that the pipes 24constitute portions of a pipe system which is located outside of theboiler and which connects the Water-space of the latter with thesteam-space. Hence it will be seen that the water-level in the pipes 24will be substantially uniform with that inside the boiler. In view ofthis fact my invention comprises a hot-water system in connection withthe circulation system above described, this hot-water system beingapplicable in supplying hot water to various places in the building, asis, for instance, shown in Fig. 3. Here a pipe 40 is illustrated indirect connection with the return-pipe 24, but at a point below thewaterlevel in the boiler and preferably below the valve 28, so that evenif the latter should be closed the pipe 40 will always be full of water.This pipe 40 may have any suitable number of branches 41, leadingtodifferent floors or rooms, when hot water may be drawn from faucets 42into sinks, tubs, or similar appliances 43, as will be readilyunderstood.

Fresh water may be introduced into the boiler through a main supply-pipe44, having a gate or similar valve 45 and connected with the pipe 19, asshown in Fig. 3, the valve 45 permitting the water to be shut off whenthe supplyin the boiler is sufficient or when the latter is to be blownout.

A valve 46 is provided in the pipe 19 between the pipe 20 and the mainsupply 44, so that when the gate '45 is open the direct passageofwaterintothe boiler through the pipe 20 may be interrupted, and thefresh Water may therefore be conducted through the pipe 17 and thencethrough the circulating-pipes 15, 22, and 23, in this manner efficientlycooling the walls of the fire-box and at the same time itself becomingheated. It is of course evident that the left side of the boiler may besimilarly supplied with a supply-pipe, as the right, or that the valve46 may be disposed in the pipe connection 20, in which case thecirculating-pipes on both sides of the fire-box would receive a freshwater-supply simultaneously.

Having thus described my invention,what I claim, and desire to secure byLetters Patout, is

1. The combination with a boiler and the boiler-furnace, of feed-pipeshaving connection with the boiler and extending along, and embeddedwithin, the side walls of the furnace,and extended transversely of thebridgewall, one or more pipes located in the inner side of thebridge-wall, with which said feed pipes are connected, and pipesconnected with the bridge-wall pipes, embedded within, and extendedalong the inner sides of the furnacechamber and having returnconnections with the boiler, substantially as and for the purpose setforth.

2. The combination with the boiler and the boiler-furnace, of pipesconnected with the boiler, having extensions and locations along, andembedded within, the inner walls of the furnace-chamber, and havingreturn connections also embedded within the furnace side walls, and pipeextensions connecting them with the boiler, a shut-off valve locatednear one terminal of the circulating system of piping and a blow-offcock located in such system inside of the shut-ofi valve, for thepurpose set forth.

3. The combination with the boiler and its furnace, of the feed-pipes15, 15 extending longitudinally within the side walls of the furnace,and a horizontal cross-pipe 19 having a connection with a lower portionof the boiler and pipe connections betweensaid cross-pipe and said feed-pipes 15, 15, the pipe-sections 22, 22 transversely extending partiallyacross and within the front side of the bridge-wall and connected to thesaid feed-pipes 15 and the pipe-sections 23, 23, connected to thepipe-sectigns 22, 22, extending longitudinally along and within the sidewalls of the furnace, upright pipe-sections 24, 24 with which saidsections 23 are connected at the front of the furnace, and thecross-pipe 25 uniting the upper ends of said upright pipes, and having abranch connecting it with an upper portion of the boiler substantiallyas described.

4. In combination the boiler and its furnace thereunder, thelongitudinal feed-pipe sections 15, 15 horizontal branch 19 boilerconnection 20 pipe connections 17, 17, between said branch 19 and saidfeed-pipes, shut-E valves between the feed-pipes 15 and the boilerconnection, and blow-0E cocks between the shut-off valve and thefeed-pipes, the pipe-sections 22, 22, in the bridge-wall connected withthe feed-pipes, the transverse pipe-sections 23, 23 in and along theside walls connected to the pipe-sections, the upright pipe-sections 24,24, with which the forward ends of the pipe-sections are connected,having connections at their upper ends with an upper part of the boiler,and being provided with shut-0E valves, and the blow-off cocks betweenforward portions of the longitudinal pipe-sections and said last-namedshut-off valves all substantially as described and shown.

5. The combination with a boiler and the boiler-furnace, of a pipe 44leading from a source of supply and having continuation 19 connectedwith a lower portion of the boiler and having a valve46 permitting, orpreventing the water from, directly entering the lower portion of theboiler and having the valve 45 remote, and in the direction of thesource of water-supply, from the valve 46, a pipe-section connected inthe conduit 19 between said two valves having a course rear- Wardlyalong, and a course 23, returning forwardly along, and embedded Withinthe side walls of the fire-chamber to the outside of the furnace-front,for the purpose described, a vertically-extending pipe-section 24, withwhich said returning-conduit is connected, extending to connection withan upper portion of the boiler, a pipe 40 for the heated 1 Signed bymeatspringfield,Massachusetts,

water connecting into the pipe-section 24 106- I in presence of twosubscribing Witnesses.

tween the connection of return-pipe 23 therewith and the upperconnection of said pipe 24 with the boiler, and ava-lve 28 in the pipeWitnesses:

24 above the connection therewith of said WM. S. BELLOWS,

OLIVER N. MORIN.

pipe 40. ARTHUR B. THoRPE.

